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Qt Cluster: Rendering on QNX and INTEGRITY

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#include <QDebug> #include "circularindicator.h" CircularIndicator::CircularIndicator(QQuickItem *parent) : QQuickPaintedItem(parent) , mStartAngle(0) , mEndAngle(360) , mMinimumValue(0.0) , mMaximumValue(100.0) , mValue(0.0) , mLineWidth(10) , mProgressColor(QColor(255, 0, 0)) , mBackgroundColor(QColor(240, 240, 240)) , mPadding(1) { } CircularIndicator::~CircularIndicator() { } int CircularIndicator::startAngle() const { return mStartAngle; } void CircularIndicator::setStartAngle(int angle) { if (angle == mStartAngle) return; mStartAngle = angle; emit startAngleChanged(mStartAngle); update(); } int CircularIndicator::endAngle() const { return mEndAngle; } void CircularIndicator::setEndAngle(int angle) { if (angle == mEndAngle) return; mEndAngle = angle; emit endAngleChanged(mEndAngle); update(); } qreal CircularIndicator::minimumValue() const { return mMinimumValue; } void CircularIndicator::setMinimumValue(qreal value) { if (qFuzzyCompare(value, mMinimumValue)) return; if (value > mMaximumValue) { qWarning() << this << "\nMinimum value can't exceed maximum value."; return; } mMinimumValue = value; emit minimumValueChanged(mMinimumValue); update(); } qreal CircularIndicator::maximumValue() const { return mMaximumValue; } void CircularIndicator::setMaximumValue(qreal value) { if (qFuzzyCompare(value, mMaximumValue)) return; if (value < mMinimumValue) { qWarning() << this << "\nMaximum value can't be less than minimum value."; return; } mMaximumValue = value; emit maximumValueChanged(value); update(); } qreal CircularIndicator::value() const { return mValue; } void CircularIndicator::setValue(qreal value) { if (qFuzzyCompare(value, mValue)) return; if (value < mMinimumValue) { qWarning() << this << "\nValue can't be less than minimum value."; return; } if (value > mMaximumValue) { qWarning() << this << "\nValue can't exceed maximum value."; return; } mValue = value; emit valueChanged(mValue); update(); } int CircularIndicator::lineWidth() const { return mLineWidth; } void CircularIndicator::setLineWidth(int width) { if (width == mLineWidth) return; mLineWidth = width; emit lineWidthChanged(mLineWidth); update(); } QColor CircularIndicator::progressColor() const { return mProgressColor; } void CircularIndicator::setProgressColor(QColor color) { if (color == mProgressColor) return; mProgressColor = color; emit progressColorChanged(mProgressColor); update(); } QColor CircularIndicator::backgroundColor() const { return mBackgroundColor; } void CircularIndicator::setBackgroundColor(QColor color) { if (color == mBackgroundColor) return; mBackgroundColor = color; emit backgroundColorChanged(mBackgroundColor); update(); } int CircularIndicator::padding() const { return mPadding; } void CircularIndicator::setPadding(int padding) { if (padding == mPadding) return; mPadding = padding; emit paddingChanged(mPadding); update(); } void CircularIndicator::paint(QPainter *painter) { painter->setRenderHint(QPainter::Antialiasing); int indicatorSize = qMin(width(), height()) - mPadding * 2 - mLineWidth; if (indicatorSize <= 0) return; QRect indicatorRect(width() / 2 - indicatorSize / 2, height() / 2 - indicatorSize / 2, indicatorSize, indicatorSize); QPen pen; pen.setCapStyle(Qt::FlatCap); pen.setWidth(mLineWidth); pen.setColor(mBackgroundColor); painter->setPen(pen); int endAngle = (qAbs(mEndAngle) > 360) ? mEndAngle % 360 : mEndAngle; // See http://doc.qt.io/qt-5/qpainter.html#drawArc for details int minimumAngle = (90 - mStartAngle) * 16; int maximumAngle = (90 - endAngle) * 16 - minimumAngle; painter->drawArc(indicatorRect, minimumAngle, maximumAngle); if (qFuzzyCompare(mValue, mMinimumValue)) return; pen.setColor(mProgressColor); painter->setPen(pen); int currentAngle = ((mValue - mMinimumValue) / (mMaximumValue - mMinimumValue)) * maximumAngle; painter->drawArc(indicatorRect, minimumAngle, currentAngle); }